Coding and Decoding Questions

Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

4 - 10 ÷ 5 x 4 + 12 = 16

 

A) ÷ and - B) + and ÷
C) x and - D) - and +
 
Answer & Explanation Answer: C) x and -

Explanation:
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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

13 - 14 ÷ 30 x 7 + 15 = 13

A) + and ÷ B) - and +
C) ÷ and x D) x and -
 
Answer & Explanation Answer: A) + and ÷

Explanation:
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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

7 x 16 + 20 - 20 ÷ 10 = 31

 

A) ÷ and -   B) x and -
C) + and ÷ D) - and +
 
Answer & Explanation Answer: B) x and -

Explanation:
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Q:

In a certain code language , 'PROBLEM' is written as MPERLOB. How will 'PROBLEM' is written as MPERLOB. How will 'NUMBERS' be written in that code?

A) SNUREMB B) SNRUBME
C) SNRUEMB D) SNRUMEB
 
Answer & Explanation Answer: C) SNRUEMB

Explanation:

 123456PROBLE7M716253MPERLO4B

Similarly, 123456NUMBER7S716253SNRUEM4B

 

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106 21719
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

9 ÷ 3 - 30 x 7 + 6 = 15

 

A) + and ÷ B) - and +
C) + and x D) ÷ and x
 
Answer & Explanation Answer: C) + and x

Explanation:
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2 21713
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

10 ÷ 18 + 25 x 20 - 5 = 92

 

A) + and x B) + and ÷
C) ÷ and - D) - and +
 
Answer & Explanation Answer: C) ÷ and -

Explanation:
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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

20 + 14 ÷ 35 - 10 x 12 = 10

 

A) + and x B) + and ÷
C) - and + D) ÷ and x
 
Answer & Explanation Answer: A) + and x

Explanation:
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3 21697
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

90 ÷ 10 + 5 - 6 x 4 = 28

 

A) - and + B) ÷ and x
C) x and - D) ÷ and -
 
Answer & Explanation Answer: A) - and +

Explanation:
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